feat: 提交

work常用/数据库/mysql 常用.md

@@ -18,8 +18,10 @@ mysqldump -u 用户名 -p 数据库名 表名1 表名2 > 导出的文件名.sql
 mysqldump -u 用户名 -p -d 数据库名 > 导出的文件名.sql
 4.导出所有数据库
 mysqldump -u 用户名 -p --all-databases > 导出的文件名.sql
+5.指定ip
+mysqldump -u 用户名 -p 数据库名 -h 127.0.0.1 > 导出的文件名.sql
 ```
-`注意：在导出大型数据库时,建议使用--quick或--opt选项来避免将整个结果集装入内存`
+`注意：在导出大型数据库时,建议使用--quick或--opt选项来避免将整个结果集装入内存;--single-transaction 防止出现用户锁表`
 
 + 导入数据
 ```shell

公司环境/Linux/虚拟机网络配置.canvas

@@ -1,6 +1,15 @@
 {
 	"nodes":[
-		{"id":"3ce0168c0dcef966","type":"file","file":"虚拟机网络配置.png","x":-340,"y":-300,"width":400,"height":333}
+		{"id":"a47cc169dbf16469","type":"file","file":"centos7.jpg","x":-140,"y":-880,"width":1096,"height":680},
+		{"id":"e1819898bf7e757c","type":"file","file":"Pasted image 20250816212609.png","x":-700,"y":-880,"width":400,"height":313},
+		{"id":"3ce0168c0dcef966","type":"file","file":"虚拟机网络配置.png","x":-1240,"y":-460,"width":446,"height":371},
+		{"id":"9a8c81bf32222931","type":"file","file":"Pasted image 20250817093136.png","x":-720,"y":-460,"width":399,"height":184},
+		{"id":"97427625e0af72e6","type":"file","file":"Pasted image 20250816221224.png","x":-720,"y":-160,"width":400,"height":376}
 	],
-	"edges":[]
+	"edges":[
+		{"id":"7338a8dd93461260","fromNode":"a47cc169dbf16469","fromSide":"left","toNode":"e1819898bf7e757c","toSide":"right"},
+		{"id":"ffab384fc4942681","fromNode":"a47cc169dbf16469","fromSide":"left","toNode":"97427625e0af72e6","toSide":"right"},
+		{"id":"c0a48994b7ab73b8","fromNode":"9a8c81bf32222931","fromSide":"left","toNode":"3ce0168c0dcef966","toSide":"right"},
+		{"id":"9085249557342010","fromNode":"a47cc169dbf16469","fromSide":"left","toNode":"9a8c81bf32222931","toSide":"right"}
+	]
 }

问题排查/mysql/mysql8 忘记密码处理步骤.md

@@ -2,7 +2,7 @@
 `service mysql stop`
 
 2. 用安全模式启动
-`sudo mysqld_safe --skip-grant-tables--user=mysql&`
+`sudo mysqld_safe --skip-grant-tables --user=mysql&`
 
 3. 无密码登陆
 `mysql -u root`
@@ -11,6 +11,8 @@
 ```sql
 FLUSH PRIVILEGES;
 ALTER USER 'root'@'localhost' IDENTIFIED BY '密码';
+# 修复因为密码插件导致的问题
+ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY '密码';
 EXIT;
 ```